Yocan Evolve Vaporizer is a very slim wax pen that features awesome functionalities. This dab pen has a dual quartz coil that promotes strong and flavorful vapor. It also has a functional coil cap was designed to keep your oil from leaking and prevent your mouthpiece from getting hot. This wax pen has a 10-second continuous use that preserves your battery especially when you are outdoors. Having such a feature helps in keeping your device from overheating as well.